1020 matches found
Red-Teaming-Toolkit
This is a collection of open source and commercial tools that aid in red team operations. The repository includes tools for reconnaissance, weaponization, delivery, command and control, lateral movement, establishing a foothold, escalating privileges, data exfiltration, and miscellaneous...
Detecting Credential Stealing Attacks Through Active In-Network Defense
ARCHIVED STORY Detecting Credential Stealing Attacks Through Active In-Network Defense By Trellix · September 22, 2021 This blog was written by Chintan Shah Executive Summary Today, enterprises tend to use multiple layers of security defenses, ranging from perimeter defense on network entry point...
CISA, FBI: State-Backed APTs Are Exploiting Critical Zoho Bug
The FBI, CISA and the U.S. Coast Guard Cyber Command CGCYBER warned today that state-backed advanced persistent threat APT actors are likely among those who’ve been actively exploiting a newly identified bug in a Zoho single sign-on and password management tool since early last month. At issue is...
The Ransomware Killchain: How It Works, and How to Protect Your Systems
Much ado has been made by this very author on this very blog! about the incentives for attackers and defenders around ransomware. There is also a wealth of information on the internet about how to protect yourself from ransomware. One thing we want to avoid losing sight of, however, is just how w...
Analyzing attacks that exploit the CVE-2021-40444 MSHTML vulnerability
In August, Microsoft Threat Intelligence Center MSTIC identified a small number of attacks less than 10 that attempted to exploit a remote code execution vulnerability in MSHTML using specially crafted Microsoft Office documents. These attacks used the vulnerability, tracked as CVE-2021-40444, as...
Analyzing attacks that exploit the CVE-2021-40444 MSHTML vulnerability
In August, Microsoft Threat Intelligence Center MSTIC identified a small number of attacks less than 10 that attempted to exploit a remote code execution vulnerability in MSHTML using specially crafted Microsoft Office documents. These attacks used the vulnerability, tracked as CVE-2021-40444, as...
Stolen Credentials Led to Data Theft at United Nations
A threat actor used stolen credentials from a United Nations employee to breach parts of the UN’s network in April and steal critical data, a spokesman for the intergovernmental organization has confirmed. That data lifted from the network can be used to target agencies within the UN, which alrea...
Tooling Network Detection & Response for Ransomware
Everywhere you look, there are new reports coming out about ransomware. And cybercriminals are becoming more aggressive, demanding even more in ransom payments than ever before. According to Palo Alto Networks’ Unit 42, ransom payments are up 82 percent in the first half of 2021, with an average...
FIN7 Capitalizes on Windows 11 Release in Latest Gambit
The FIN7 financial cybercrime gang is back, delivering JavaScript backdoors using Word documents themed around the next version of Windows. That’s according to researchers at Anomali, who observed a recent campaign from the group that leveraged six different docs, all referencing “Windows 11 Alph...
Researchers Uncover FIN8's New Backdoor Targeting Financial Institutions
A financially motivated threat actor notorious for setting its sights on retail, hospitality, and entertainment industries has been observed deploying a completely new backdoor on infected systems, indicating the operators are continuously retooling their malware arsenal to avoid detection and st...
When coin miners evolve, Part 2: Hunting down LemonDuck and LemonCat attacks
Note: In this two-part blog series, we expose a modern malware infrastructure and provide guidance for protecting against the wide range of threats it enables. Part 1 covered the evolution of the threat, how it spreads, and how it impacts organizations. Part 2 provides a deep dive on the attacker...
When coin miners evolve, Part 2: Hunting down LemonDuck and LemonCat attacks
Note: In this two-part blog series, we expose a modern malware infrastructure and provide guidance for protecting against the wide range of threats it enables. Part 1 covered the evolution of the threat, how it spreads, and how it impacts organizations. Part 2 provides a deep dive on the attacker...
AD Starter Scan - Dangerous Trust Relationship
Binary data adsitrustunsafe.nbin...
Awesome-Red-Teaming
This is an offensive tool for Red Teaming. It is a list of resources for anyone wishing to learn about Red Teaming, including initial access, execution, persistence, privilege escalation, defense evasion, credential access, discovery, lateral movement, collection, exfiltration, command and contro...
Exploit for CVE-2020-1472
PoC exploit for CVE-2020-1472 ZeroLogon vulnerability. The target product/service is Windows Domain Controller DC. The vulnerability class/vector is authentication bypass via all-zero challenge. The probable entry point is the Netlogon service, which is accessed via the Impacket library. Notable...
Tactics, Techniques, and Procedures of Indicted APT40 Actors Associated with China’s MSS Hainan State Security Department
Summary This Joint Cybersecurity Advisory was written by the Federal Bureau of Investigation FBI and the Cybersecurity and Infrastructure Security Agency CISA to provide information on a Chinese Advanced Persistent Threat APT group known in open-source reporting as APT40. This advisory provides...
Anyone can arbitrarily add router liquidity
Handle 0xRajeev Vulnerability details Impact The addLiquidity function takes a router address parameter whose liquidity is increased instead of assuming that router == msg.sender like done on removeLiquidity on this contract/chain by transferring the fund amount from router address to this contra...
REvil Ransomware gang behind the Kaseya VSA Supply-Chain attack
THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. The REvil ransomware group was successful in carrying out a supply chain attack by exploiting the zero-day vulnerability CVE-2021-30116 in the Kaseya VSA server and delivering a malicious script to all the computer devices...
Indexsinas SMB Worm Campaign Infests Whole Enterprises
The Indexsinas SMB worm is on the hunt for vulnerable environments to self-propagate into, researchers warned – with a particular focus on the healthcare, hospitality, education and telecommunications sectors. Its end goal is to drop cryptominers on compromised machines. Indexsinas, aka...
Bash Ransomware DarkRadiation Targets Red Hat- and Debian-based Linux Distributions
We investigate how certain hacking tools are used to move laterally on victims’ networks to deploy ransomware. These tools contain reconnaissance/spreader scripts, exploits for Red Hat and CentOS, binary injectors, and more. In this blog, we focus on analyzing the worm and ransomware script...